Integrated Circuits and Embedded Systems

Indoor positioning technology based on CSI phase sampling density

CHENG Cheng, WANG Wei

Integrated Circuits and Embedded Systems, 2024, 24(1): 73-77.

Table 4 Experimental errors of three algorithms at a sampling interval of 0.5 m (Unit: m)

Other figure/table from this article

Fig. 1 Original phase and corrected phase after processing at three positions
Fig. 2 Correction phase of two different antennas at the same position
Fig. 3 Fingerprint library format
Fig. 4 CSI fingerprint map localization algorithm
Fig. 5 CSI Fingerprint Data Sampling Point Map
Table 1 Experimental errors for different sampling densities
Fig. 6 Comparison of positioning errors with different sampling intervals
Table 2 Experimental errors of three algorithms at a sampling interval of 0.3 m (Unit: m)
Table 3 Experimental errors of three algorithms at a sampling interval of 0.4 m (Unit: m)
Fig. 7 Comparison of positioning errors among three algorithms at different intervals